Added ability to include directories as an extension of the config file (#421)

Cargo.lock

@@ -1088,6 +1088,28 @@ dependencies = [
  "autocfg",
 ]
 
+[[package]]
+name = "merge"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "10bbef93abb1da61525bbc45eeaff6473a41907d19f8f9aa5168d214e10693e9"
+dependencies = [
+ "merge_derive",
+ "num-traits",
+]
+
+[[package]]
+name = "merge_derive"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "209d075476da2e63b4b29e72a2ef627b840589588e71400a25e3565c4f849d07"
+dependencies = [
+ "proc-macro-error",
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
 [[package]]
 name = "mime"
 version = "0.3.17"
@@ -1494,9 +1516,9 @@ dependencies = [
 
 [[package]]
 name = "regex"
-version = "1.5.6"
+version = "1.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d83f127d94bdbcda4c8cc2e50f6f84f4b611f69c902699ca385a39c3a75f9ff1"
+checksum = "8b1f693b24f6ac912f4893ef08244d70b6067480d2f1a46e950c9691e6749d1d"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -1512,6 +1534,15 @@ dependencies = [
  "regex-syntax",
 ]
 
+[[package]]
+name = "regex-split"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "544861d1810a3e429bb5e80266e537138b0e69e59bed9334326ae129a4c3e676"
+dependencies = [
+ "regex",
+]
+
 [[package]]
 name = "regex-syntax"
 version = "0.6.29"
@@ -2137,11 +2168,13 @@ dependencies = [
  "home",
  "lazy_static",
  "libc",
+ "merge",
  "nix 0.24.3",
  "notify-rust",
  "once_cell",
  "parselnk",
  "regex",
+ "regex-split",
  "rust-ini",
  "self_update",
  "semver",