feat: add get variable

Signed-off-by: kjuulh <contact@kjuulh.io>

alloy/Cargo.lock

@@ -7,6 +7,7 @@ name = "alloy"
 version = "0.1.0"
 dependencies = [
  "dirs",
+ "minijinja",
  "wit-bindgen-rt",
 ]
 
@@ -70,6 +71,15 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "minijinja"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2c37e1b517d1dcd0e51dc36c4567b9d5a29262b3ec8da6cb5d35e27a8fb529b5"
+dependencies = [
+ "serde",
+]
+
 [[package]]
 name = "option-ext"
 version = "0.2.0"
@@ -105,6 +115,26 @@ dependencies = [
  "thiserror",
 ]
 
+[[package]]
+name = "serde"
+version = "1.0.217"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "02fc4265df13d6fa1d00ecff087228cc0a2b5f3c0e87e258d8b94a156e984c70"
+dependencies = [
+ "serde_derive",
+]
+
+[[package]]
+name = "serde_derive"
+version = "1.0.217"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5a9bf7cf98d04a2b28aead066b7496853d4779c9cc183c440dbac457641e19a0"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "syn"
 version = "2.0.90"