Split crates and clean up structure of codebase (#294)

Co-authored-by: Jiahao XU <Jiahao_XU@outlook.com>

crates/bin/release.toml

@@ -0,0 +1,15 @@
+pre-release-commit-message = "release: v{{version}}"
+tag-prefix = "cli-"
+tag-message = "cargo-binstall {{version}}"
+
+# We wait until the release CI is done before publishing,
+# because publishing is irreversible, but a release can be
+# reverted a lot more easily.
+publish = false
+
+[[pre-release-replacements]]
+file = "windows.manifest"
+search = "^		version=\"[\\d.]+[.]0\""
+replace = "		version=\"{{version}}.0\""
+prerelease = false
+max = 1