feat(klem): add avestan

configs/i3.nix

@@ -34,6 +34,7 @@
       "devanagari" = pkgs.writers.writeDash "devanagari" ''
         ${pkgs.scripts.devanagari}/bin/devanagari
       '';
+      "avesta" = pkgs.writeScript "avesta" (builtins.readFile <niveum/packages/scripts/avesta.sed>);
       "curl" = pkgs.writers.writeDash "curl" ''
         ${pkgs.curl}/bin/curl -fSs "$(${pkgs.coreutils}/bin/cat)"
       '';

packages/scripts/avesta.sed

@@ -0,0 +1,54 @@
+#!/usr/bin/env -S sed -f
+s/ā̊/𐬃/g
+s/t̰/𐬝/g
+s/ṣ̌/𐬴/g
+s/š́/𐬳/g
+s/ą̄/𐬅/g
+s/ŋᵛ/𐬤/g
+s/ə̄/𐬇/g
+s/ŋ́/𐬣/g
+s/x́/𐬒/g
+s/xᵛ/𐬓/g
+s/a/𐬀/g
+s/ā/𐬁/g
+s/å/𐬂/g
+s/ą/𐬄/g
+s/ə/𐬆/g
+s/e/𐬈/g
+s/ē/𐬉/g
+s/o/𐬊/g
+s/ō/𐬋/g
+s/i/𐬌/g
+s/ī/𐬍/g
+s/u/𐬎/g
+s/ū/𐬏/g
+s/k/𐬐/g
+s/x/𐬑/g
+s/g/𐬔/g
+s/ġ/𐬕/g
+s/γ/𐬖/g
+s/c/𐬗/g
+s/j/𐬘/g
+s/t/𐬙/g
+s/θ/𐬚/g
+s/d/𐬛/g
+s/δ/𐬜/g
+s/p/𐬞/g
+s/f/𐬟/g
+s/b/𐬠/g
+s/β/𐬡/g
+s/ŋ/𐬢/g
+s/n/𐬥/g
+s/ń/𐬦/g
+s/ṇ/𐬧/g
+s/m/𐬨/g
+s/m̨/𐬩/g
+s/ẏ/𐬪/g
+s/y/𐬫/g
+s/v/𐬬/g
+s/r/𐬭/g
+s/s/𐬯/g
+s/z/𐬰/g
+s/š/𐬱/g
+s/ž/𐬲/g
+s/h/𐬵/g