Add Husky pre-commit and pre-push hooks for automated doc checks

.husky/pre-commit

@@ -0,0 +1,3 @@
+. "$(dirname -- "$0")/_/husky.sh"
+
+pnpm lint-staged

.husky/pre-push

@@ -0,0 +1,4 @@
+. "$(dirname -- "$0")/_/husky.sh"
+
+pnpm fix-redirects
+pnpm link-checker

package.json

@@ -16,13 +16,24 @@
     "metadata-batch-cli": "node --loader ts-node/esm utils/metadata-batch-cli.ts",
     "metadata-batch-cli:dry": "pnpm metadata-batch-cli --dry-run",
     "metadata-batch-cli:verbose": "pnpm metadata-batch-cli --verbose",
-    "validate-metadata": "CHANGED_FILES=$(git diff --name-only HEAD) node --loader ts-node/esm utils/metadata-manager.ts",
-    "validate-pr-metadata": "node --loader ts-node/esm utils/metadata-manager.ts --pr",
+    "validate-metadata": "CHANGED_FILES=$(git diff --name-only HEAD) NODE_OPTIONS=\"--no-warnings\" node --loader ts-node/esm utils/metadata-manager.ts",
+    "validate-pr-metadata": "NODE_OPTIONS=\"--no-warnings\" node --loader ts-node/esm utils/metadata-manager.ts --pr",
     "dev": "next dev",
     "build": "next build",
     "start": "next start",
-    "postbuild": "next-sitemap"
+    "postbuild": "next-sitemap",
+    "prepare": "husky"
   },
+"lint-staged": {
+  "**/*.mdx": [
+    "eslint --max-warnings 0",
+    "cspell lint"
+  ],
+  "**/*": [
+    "pnpm fix-redirects",
+    "pnpm link-checker"
+  ]
+ },
   "dependencies": {
     "@eth-optimism/contracts-ts": "^0.17.0",
     "@eth-optimism/tokenlist": "^9.0.9",
@@ -58,6 +69,8 @@
     "ethers": "^5",
     "globby": "^11.0.4",
     "gray-matter": "^4.0.3",
+    "husky": "^9.1.7",
+    "lint-staged": "^15.4.3",
     "remark": "^15.0.1",
     "remark-code-import": "^1.2.0",
     "remark-frontmatter": "^5.0.0",
@@ -83,4 +96,4 @@
       "nextra@2.13.2": "patches/nextra@2.13.2.patch"
     }
   }
-}
+}

pages/app-developers/tutorials/transactions/sdk-estimate-costs.mdx

@@ -188,7 +188,7 @@ Here you'll estimate the cost of a simple transaction that sends a small amount
 </Steps>
 
 <Callout type="info">
-Estimates will never be entirely accurate due to network conditions and gas price fluctuations, but they should be close to the actual costs.
+Estimates will never be entirely accurate due to network conditions and gas price fluctuation, but they should be close to the actual costs.
 </Callout>
 
 ## Next steps