Use consistent title case for headers in Supervisor

hassio/src/addon-store/hassio-addon-store.ts

@@ -98,7 +98,7 @@ class HassioAddonStore extends LitElement {
         main-page
         .tabs=${supervisorTabs}
       >
-        <span slot="header">Add-on store</span>
+        <span slot="header">Add-on Store</span>
         <ha-button-menu
           corner="BOTTOM_START"
           slot="toolbar-icon"

hassio/src/hassio-tabs.ts

@@ -8,7 +8,7 @@ export const supervisorTabs: PageNavigation[] = [
     iconPath: mdiViewDashboard,
   },
   {
-    name: "Add-on store",
+    name: "Add-on Store",
     path: `/hassio/store`,
     iconPath: mdiStore,
   },

hassio/src/snapshots/hassio-snapshots.ts

@@ -131,7 +131,7 @@ class HassioSnapshots extends LitElement {
 
         <div class="content">
           <h1>
-            Create snapshot
+            Create Snapshot
           </h1>
           <p class="description">
             Snapshots allow you to easily backup and restore all data of your
@@ -219,7 +219,7 @@ class HassioSnapshots extends LitElement {
             </ha-card>
           </div>
 
-          <h1>Available snapshots</h1>
+          <h1>Available Snapshots</h1>
           <div class="card-group">
             ${this._snapshots === undefined
               ? undefined

hassio/src/system/hassio-host-info.ts

@@ -87,7 +87,7 @@ class HassioHostInfo extends LitElement {
           ${this.hostInfo.features.includes("network")
             ? html` <ha-settings-row>
                 <span slot="heading">
-                  IP address
+                  IP Address
                 </span>
                 <span slot="description">
                   ${primaryIpAddress}
@@ -103,7 +103,7 @@ class HassioHostInfo extends LitElement {
 
           <ha-settings-row>
             <span slot="heading">
-              Operating system
+              Operating System
             </span>
             <span slot="description">
               ${this.hostInfo.operating_system}
@@ -221,7 +221,7 @@ class HassioHostInfo extends LitElement {
       });
     } catch (err) {
       showAlertDialog(this, {
-        title: "Failed to get Hardware list",
+        title: "Failed to get hardware list",
         text: extractApiErrorMessage(err),
       });
     }
@@ -324,7 +324,7 @@ class HassioHostInfo extends LitElement {
   private async _changeHostnameClicked(): Promise<void> {
     const curHostname: string = this.hostInfo.hostname;
     const hostname = await showPromptDialog(this, {
-      title: "Change hostname",
+      title: "Change Hostname",
       inputLabel: "Please enter a new hostname:",
       inputType: "string",
       defaultValue: curHostname,

hassio/src/system/hassio-supervisor-info.ts

@@ -51,7 +51,7 @@ class HassioSupervisorInfo extends LitElement {
           </ha-settings-row>
           <ha-settings-row>
             <span slot="heading">
-              Newest version
+              Newest Version
             </span>
             <span slot="description">
               ${this.supervisorInfo.version_latest}
@@ -98,7 +98,7 @@ class HassioSupervisorInfo extends LitElement {
           ${this.supervisorInfo?.supported
             ? html` <ha-settings-row three-line>
                 <span slot="heading">
-                  Share diagnostics
+                  Share Diagnostics
                 </span>
                 <div slot="description" class="diagnostics-description">
                   Share crash reports and diagnostic information.
@@ -135,7 +135,7 @@ class HassioSupervisorInfo extends LitElement {
         <div class="card-actions">
           <ha-progress-button
             @click=${this._supervisorReload}
-            title="Reload parts of the supervisor."
+            title="Reload parts of the supervisor"
           >
             Reload
           </ha-progress-button>
@@ -212,7 +212,7 @@ class HassioSupervisorInfo extends LitElement {
     button.progress = true;
 
     const confirmed = await showConfirmationDialog(this, {
-      title: "Update supervisor",
+      title: "Update Supervisor",
       text: `Are you sure you want to update supervisor to version ${this.supervisorInfo.version_latest}?`,
       confirmText: "update",
       dismissText: "cancel",

hassio/src/system/hassio-supervisor-log.ts

@@ -76,7 +76,7 @@ class HassioSupervisorLog extends LitElement {
         ${this.hass.userData?.showAdvanced
           ? html`
               <paper-dropdown-menu
-                label="Log provider"
+                label="Log Provider"
                 @iron-select=${this._setLogProvider}
               >
                 <paper-listbox

hassio/src/system/hassio-system-metrics.ts

@@ -41,29 +41,29 @@ class HassioSystemMetrics extends LitElement {
     const usedSpace = this._getUsedSpace(this.hostInfo);
     const metrics = [
       {
-        description: "Core CPU usage",
+        description: "Core CPU Usage",
         value: this._coreMetrics?.cpu_percent,
       },
       {
-        description: "Core RAM usage",
+        description: "Core RAM Usage",
         value: this._coreMetrics?.memory_percent,
       },
       {
-        description: "Supervisor CPU usage",
+        description: "Supervisor CPU Usage",
         value: this._supervisorMetrics?.cpu_percent,
       },
       {
-        description: "Supervisor RAM usage",
+        description: "Supervisor RAM Usage",
         value: this._supervisorMetrics?.memory_percent,
       },
       {
-        description: "Used space",
+        description: "Used Space",
         value: usedSpace,
       },
     ];
 
     return html`
-      <ha-card header="System metrics">
+      <ha-card header="System Metrics">
         <div class="card-content">
           ${metrics.map((metric) =>
             this._renderMetric(metric.description, metric.value ?? 0)