Custom Colors (#70)

* First implementation of custom colors

* Remove use-statement

Co-authored-by: June <61218022+itsjunetime@users.noreply.github.com>

* Cleaned up help-text

Co-authored-by: June <61218022+itsjunetime@users.noreply.github.com>

* Removed superfluous features from csscolorparser

* Fix for clippy

* Clarify how to pass in custom colors

* Explicitly install clippy and rustfmt in CI

* Better error handling when colors can not be parsed

Co-authored-by: June <61218022+itsjunetime@users.noreply.github.com>

* More elegant type conversion

Co-authored-by: June <61218022+itsjunetime@users.noreply.github.com>

* Made clippy happy

---------

Co-authored-by: June <61218022+itsjunetime@users.noreply.github.com>
Co-authored-by: itsjunetime <junewelker@gmail.com>

Cargo.lock

@@ -711,6 +711,15 @@ dependencies = [
  "phf",
 ]
 
+[[package]]
+name = "csscolorparser"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "46f9a16a848a7fb95dd47ce387ac1ee9a6df879ba784b815537fcd388a1a8288"
+dependencies = [
+ "phf",
+]
+
 [[package]]
 name = "darling"
 version = "0.20.11"
@@ -2866,6 +2875,7 @@ dependencies = [
  "cpuprofiler",
  "criterion",
  "crossterm",
+ "csscolorparser 0.7.0",
  "flume",
  "futures-util",
  "image",
@@ -3473,7 +3483,7 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7de81ef35c9010270d63772bebef2f2d6d1f2d20a983d27505ac850b8c4b4296"
 dependencies = [
- "csscolorparser",
+ "csscolorparser 0.6.2",
  "deltae",
  "lazy_static",
  "wezterm-dynamic",