Can read config files now

- Now reads config from `$XDG_CONFIG_HOME/.config/snake/snake.yaml`
- Added error enum from config and try to remove all usages of unwrap
- Bumped version to 0.2.3

Cargo.lock

@@ -1,5 +1,7 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+version = 3
+
 [[package]]
 name = "arrayref"
 version = "0.3.6"
@@ -35,6 +37,12 @@ dependencies = [
  "constant_time_eq",
 ]
 
+[[package]]
+name = "case"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e88b166b48e29667f5443df64df3c61dc07dc2b1a0b0d231800e07f09a33ecc1"
+
 [[package]]
 name = "cc"
 version = "1.0.66"
@@ -64,6 +72,17 @@ dependencies = [
  "lazy_static",
 ]
 
+[[package]]
+name = "derive-error"
+version = "0.0.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eb6238eafbc141db51c6d0d599dde74224b28437c7cf7c3a1755e3e3e5e00806"
+dependencies = [
+ "case",
+ "quote 0.3.15",
+ "syn 0.11.11",
+]
+
 [[package]]
 name = "dirs"
 version = "3.0.1"
@@ -84,6 +103,12 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "dtoa"
+version = "0.4.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "88d7ed2934d741c6b37e33e3832298e8850b53fd2d2bea03873375596c7cea4e"
+
 [[package]]
 name = "getrandom"
 version = "0.1.16"
@@ -118,6 +143,12 @@ version = "0.2.82"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "89203f3fba0a3795506acaad8ebce3c80c0af93f994d5a1d7a0b1eeb23271929"
 
+[[package]]
+name = "linked-hash-map"
+version = "0.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7fb9b38af92608140b86b693604b9ffcc5824240a484d1ecd4795bacb2fe88f3"
+
 [[package]]
 name = "ncurses"
 version = "5.100.0"
@@ -147,9 +178,15 @@ version = "1.0.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1e0704ee1a7e00d7bb417d0770ea303c1bccbabf0ef1667dae92b5967f5f8a71"
 dependencies = [
- "unicode-xid",
+ "unicode-xid 0.2.1",
 ]
 
+[[package]]
+name = "quote"
+version = "0.3.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a6e920b65c65f10b2ae65c831a81a073a89edd28c7cce89475bff467ab4167a"
+
 [[package]]
 name = "quote"
 version = "1.0.8"
@@ -244,19 +281,43 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f3fcab8778dc651bc65cfab2e4eb64996f3c912b74002fb379c94517e1f27c46"
 dependencies = [
  "proc-macro2",
- "quote",
- "syn",
+ "quote 1.0.8",
+ "syn 1.0.60",
+]
+
+[[package]]
+name = "serde_yaml"
+version = "0.8.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "15654ed4ab61726bf918a39cb8d98a2e2995b002387807fa6ba58fdf7f59bb23"
+dependencies = [
+ "dtoa",
+ "linked-hash-map",
+ "serde",
+ "yaml-rust",
 ]
 
 [[package]]
 name = "snake"
-version = "0.2.1"
+version = "0.2.2"
 dependencies = [
+ "derive-error",
  "dirs",
  "ncurses",
  "rand",
  "serde",
- "toml",
+ "serde_yaml",
+]
+
+[[package]]
+name = "syn"
+version = "0.11.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3b891b9015c88c576343b9b3e41c2c11a51c219ef067b264bd9c8aa9b441dad"
+dependencies = [
+ "quote 0.3.15",
+ "synom",
+ "unicode-xid 0.0.4",
 ]
 
 [[package]]
@@ -266,19 +327,25 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c700597eca8a5a762beb35753ef6b94df201c81cca676604f547495a0d7f0081"
 dependencies = [
  "proc-macro2",
- "quote",
- "unicode-xid",
+ "quote 1.0.8",
+ "unicode-xid 0.2.1",
 ]
 
 [[package]]
-name = "toml"
-version = "0.5.8"
+name = "synom"
+version = "0.11.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a31142970826733df8241ef35dc040ef98c679ab14d7c3e54d827099b3acecaa"
+checksum = "a393066ed9010ebaed60b9eafa373d4b1baac186dd7e008555b0f702b51945b6"
 dependencies = [
- "serde",
+ "unicode-xid 0.0.4",
 ]
 
+[[package]]
+name = "unicode-xid"
+version = "0.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8c1f860d7d29cf02cb2f3f359fd35991af3d30bac52c57d265a3c461074cb4dc"
+
 [[package]]
 name = "unicode-xid"
 version = "0.2.1"
@@ -318,3 +385,12 @@ name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
+
+[[package]]
+name = "yaml-rust"
+version = "0.4.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "56c1936c4cc7a1c9ab21a1ebb602eb942ba868cbd44a99cb7cdc5892335e1c85"
+dependencies = [
+ "linked-hash-map",
+]