Merge branch 'develop-readme-cabalUpdate' into develop. Close #100.

**Description**

The installation instructions in the README do not mention the `cabal update`
step. This is confusing users unfamiliar with Haskell, since it's not obvious
that cabal should have to be updated before installing Ogma.

**Type**

- Bug: installation instructions are incomplete.

**Additional context**

None.

**Requester**

- Ivan Perez

**Method to check presence of bug**

The issue is with the documentation. There is no good, simple automated way to
check that it is correct.

Because it's not a programming issue, visual inspection is OK.

**Expected result**

The README's installation instructions list the update step prior to
installation.

**Solution implemented**

Modify the installation instructions in `README.md` to include the cabal update
step.

**Further notes**

None.

ogma-cli/CHANGELOG.md

@@ -1,5 +1,9 @@
 # Revision history for ogma-cli
 
+## [1.X.Y] - 2023-11-21
+
+* Document cabal update step in README (#100).
+
 ## [1.0.11] - 2023-09-21
 
 * Version bump 1.0.11 (#103).

ogma-cli/README.md

@@ -86,6 +86,7 @@ Once GHC and cabal are installed, the simplest way to install Ogma is with:
 $ git clone https://github.com/nasa/ogma.git
 $ cd ogma
 $ export PATH="$HOME/.cabal/bin/:$PATH"
+$ cabal v1-update
 $ cabal v1-install alex happy
 $ cabal v1-install BNFC copilot
 $ cabal v1-install ogma-*/