Update README + Add VIM temporary files to .gitignore

[TristanDamron]

Satisfies the acceptance criteria for #80 and #81

[capsulecorplab]

line isn't rendering as a code block. try

[source]
----
sh build.sh
----

as per callouts for GFA

[capsulecorplab]

same issue as line 43

[capsulecorplab]

same issue as line 43

[TristanDamron]

@capsulecorplab Added another commit to address your concerns.

[capsulecorplab]

Hm, still not rendering correctly https://github.com/LearnTeachCode/code-coffee-compendium/blob/b0afb5a3f9ffd1e10e396c67d6bb96a8b4073364/README.adoc

try adding another dash that's sandwiching the code snippet,

[source]
----
sh command
----

[TristanDamron]

@capsulecorplab Updated my PR to fix the code blocks and to add a step for updating submodules if viewing the site locally!

[capsulecorplab]

                                   ___
                                 //   \\
                                ||=====||
                                 \\___//
                                  ./O
                              ___/ //|\\
                             / o    /}
                            (       /
                            \      /
                            |     (
                            |      \
                            )       \
                           /         \
                         /            )
                       /              |
                     //             / /
                   /       ___(    ,| \
                 /       /    \     |  \
                (      /  /   /\     \  \
                \\   /___ _-_//'|     |  |
                 \\_______-/     \     \  \
                                  \-_-_-_-_-

                    "Seal of Approval"