chore: cleanup for 0.1.0 release

.env.example

@@ -1,2 +0,0 @@
-TOKEN=secret
-YEAR=2022

.gitignore

@@ -11,8 +11,8 @@ target/
 .env
 
 # downloaded inputs
-src/inputs/
-!src/inputs/keep
+/src/inputs/*
+!/src/inputs/.keep
 
-src/test_inputs/
-!src/test_inputs/keep
+/src/test_inputs/*
+!/src/test_inputs/.keep

README.md

@@ -1,5 +1,5 @@
 # Advent-of-Code {YEAR}
-*This is a dumbed down version of [fspoettel/advent-of-code-rust](https://github.com/fspoettel/advent-of-code-rust/blob/main/Cargo.toml) with some extra features*
+*This is a dumbed down version of [fspoettel/advent-of-code-rust](https://github.com/fspoettel/advent-of-code-rust) with some extra features*
 
 ## CLI
 ### Prepare