Assure we don't pick up unnecessary files during publishing (#384)

Author: Byron

git-index/Cargo.toml

@@ -6,6 +6,7 @@ license = "MIT/Apache-2.0"
 description = "A work-in-progress crate of the gitoxide project dedicated implementing the git index file"
 authors = ["Sebastian Thiel <[email protected]>"]
 edition = "2018"
+include = ["src/**/*", "README.md", "CHANGELOG.md"]
 
 [lib]
 doctest = false

git-revision/Cargo.toml

@@ -6,6 +6,7 @@ license = "MIT/Apache-2.0"
 description = "A WIP crate of the gitoxide project dealing with finding names for revisions and parsing specifications"
 authors = ["Sebastian Thiel <[email protected]>"]
 edition = "2018"
+include = ["src/**/*", "CHANGELOG.md"]
 
 [lib]
 doctest = false

git-worktree/Cargo.toml

@@ -6,6 +6,7 @@ license = "MIT/Apache-2.0"
 description = "A WIP crate of the gitoxide project dedicated implementing everything around working trees and git excludes"
 authors = ["Sebastian Thiel <[email protected]>"]
 edition = "2018"
+include = ["src/**/*", "CHANGELOG.md"]
 
 [lib]
 doctest = false