Update readme and .gitignore

.gitignore

@@ -26,6 +26,7 @@
 
 # TextMesh Pro files
 [Aa]ssets/TextMesh*Pro/
+[Aa]ssets/TextMesh*Pro.meta
 
 # Autogenerated Jetbrains Rider plugin
 [Aa]ssets/Plugins/Editor/JetBrains*

Assets/TextMesh Pro.meta

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-fileFormatVersion: 2
-guid: f54d1bd14bd3ca042bd867b519fee8cc
-folderAsset: yes
-DefaultImporter:
-  externalObjects: {}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 

README.md

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-This is a game for GMTK Jam 2019, with the theme "Only one." This game
-revolves around the idea of only having one weapon to use.
+# Blood And Gore
+
+This is a game was originally made for GMTK Jam 2019, with the theme
+"Only one." The original version of this game revolved around the idea
+of only having one weapon to use, but has diverged during the post-jam
+development.
+
+## Notes
+
+- When opening this repository as a Unity project, Unity should prompt
+  you to install the TextMeshPro plugin. To have the UI text work, let it.
 
 ## License
+
 This game and its assets are distributed under the [Creative Commons
 Attribution-NonCommercial-ShareAlike 4.0 International][ccbyncsa] license.