avoid using hyphens in theme name

lua/themes/one-light-base16.lua

@@ -1,18 +0,0 @@
-return {
-    base0A = "c18401",
-    base04 = "696c77",
-    base07 = "090a0b",
-    base05 = "383a42",
-    base0E = "a626a4",
-    base0D = "4078f2",
-    base0C = "0184bc",
-    base0B = "50a14f",
-    base02 = "e5e5e6",
-    base0F = "986801",
-    base03 = "a0a1a7",
-    base08 = "ca1243",
-    base01 = "f0f0f1",
-    base00 = "fafafa",
-    base09 = "d75f00",
-    base06 = "202227"
-}

lua/themes/tomorrow_night-base16.lua

@@ -0,0 +1,18 @@
+return {
+    base0A = "f0c674",
+    base04 = "b4b7b4",
+    base07 = "ffffff",
+    base05 = "c5c8c6",
+    base0E = "b294bb",
+    base0D = "81a2be",
+    base0C = "8abeb7",
+    base0B = "b5bd68",
+    base02 = "373b41",
+    base0F = "a3685a",
+    base03 = "969896",
+    base08 = "cc6666",
+    base01 = "282a2e",
+    base00 = "1d1f21",
+    base09 = "de935f",
+    base06 = "e0e0e0"
+}