feat: Switched from age to libsodium.

This means, fewer dependencies, a smaller binary, and more secure data.

BREAKING CHANGE: The encryption format of databases has changed. Age
encryption is no longer supported, and no automatic migration path was
implemented.

features.odin

@@ -8,7 +8,6 @@ import "core:strings"
 Feature :: enum {
 	Git,
 	Fd,
-	Age,
 }
 
 AvailableFeatures :: bit_set[Feature]
@@ -31,9 +30,6 @@ check_features :: proc() -> AvailableFeatures {
 	if find_binary(paths, "fd") != "" {
 		feats += {.Fd}
 	}
-	if find_binary(paths, "age") != "" {
-		feats += {.Age}
-	}
 
 	return feats
 }