hyprctl: include color management presets and sdr information (#12019)

* move string parsing for eCMType to its own namespace, similar to how
`src/protocols/types/ContentType.cpp` is done
* expose cm type and sdr settings in `hyprctl monitors`, format floats
to .2f

src/helpers/CMType.hpp

@@ -0,0 +1,20 @@
+#include <cstdint>
+#include <string>
+#include <optional>
+
+namespace NCMType {
+    enum eCMType : uint8_t {
+        CM_AUTO = 0, // subject to change. srgb for 8bpc, wide for 10bpc if supported
+        CM_SRGB,     // default, sRGB primaries
+        CM_WIDE,     // wide color gamut, BT2020 primaries
+        CM_EDID,     // primaries from edid (known to be inaccurate)
+        CM_HDR,      // wide color gamut and HDR PQ transfer function
+        CM_HDR_EDID, // same as CM_HDR with edid primaries
+        CM_DCIP3,    // movie theatre with greenish white point
+        CM_DP3,      // applle P3 variant with blueish white point
+        CM_ADOBE,    // adobe colorspace
+    };
+
+    std::optional<eCMType> fromString(const std::string cmType);
+    std::string            toString(eCMType cmType);
+}