Vendor helgoboss/helgobox (ReaLearn) as basis for custom UI fork

Stripped upstream git history; starting point for replacing the native
SWELL/Win32 mapping UI with something more suited to bulk editing.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

plugin-reaper-realearn/resources/artwork/playtime-logo.svg

@@ -0,0 +1,127 @@
+<svg
+        viewBox="0 0 100 100"
+        xmlns="http://www.w3.org/2000/svg"
+        class="ROOT_CLASSES_PLACEHOLDER"
+>
+    <style>
+        <![CDATA[
+        :root {
+            /*
+                The following CSS variables are just for preview purposes. They are currently
+                not supported when generating the toolbar icons via `artwork-processor`.
+                When generating icons, we replace the --var references directly.
+            */
+            --fg-color: #f5f5f5;
+            --bg-color: #616161;
+        }
+
+        /* Background */
+
+        #icon-background {
+            fill: var(--bg-color);
+        }
+
+        .toolbar-icon #icon-background {
+            fill-opacity: 0.0;
+        }
+
+        /* Watch frame */
+
+        #watch-frame, #watch-straps {
+            fill: var(--fg-color);
+        }
+
+        .toolbar-icon #watch-frame, .toolbar-icon #watch-straps {
+            fill: var(--fg-color);
+        }
+
+        /* Play button */
+
+        #button {
+            fill: var(--fg-color);
+            stroke: var(--fg-color);
+        }
+
+        .with-settings-icon #button {
+            display: none;
+        }
+
+        /* Settings icon */
+
+        #settings-icon {
+            display: none;
+        }
+
+        .with-settings-icon #settings-icon {
+            display: inline;
+        }
+
+        #settings-icon-circle {
+            fill: var(--fg-color);
+        }
+
+
+        /* Text badge */
+
+        #text-badge {
+            display: none;
+        }
+
+        .with-text-badge #text-badge {
+            display: inline;
+        }
+
+        #text-badge-circle {
+            fill: var(--fg-color);
+            stroke: var(--bg-color);
+        }
+
+        #text-badge-text {
+            fill: var(--bg-color);
+        }
+        ]]>
+    </style>
+    <defs>
+        <mask id="cut-off-display">
+            <rect x="0" y="0" width="100" height="100" fill="white"/>
+            <circle cx="50" cy="50" r="30" fill="black"/>
+        </mask>
+    </defs>
+    <g id="icon-background">
+        <rect rx="15" width="100" height="100"/>
+    </g>
+    <g id="watch" mask="url(#cut-off-display)" transform="rotate(0, 50, 50)">
+        <g id="watch-frame" stroke-width="012">
+            <circle cx="50" cy="50" r="35"/>
+        </g>
+        <g id="watch-straps">
+            <polygon id="watch-strap" points="50,20, 100,30, 100,70, 50,80"/>
+            <use href="#watch-strap" x="0" y="0" transform="translate(100, 0) scale(-1, 1)"/>
+        </g>
+    </g>
+    <g id="button" stroke-width="15" stroke-linecap="round" stroke-linejoin="round"
+       transform="translate(50, 50) scale(0.6, 0.6) translate(-50, -50)"
+       mask="url(#cut-off-settings-icon)"
+    >
+        <path id="button-path"
+              d="
+                    M 50,50
+                    m -10,-20
+                    q -10,20 0,40
+                    q 15,-5 30,-20
+                    q -15,-15 -30,-20
+                    "
+        />
+    </g>
+    <g id="settings-icon" transform="translate(26, 26) scale(2, 2)">
+        <path id="settings-icon-circle"
+              d="m9.25 22l-.4-3.2q-.325-.125-.612-.3t-.563-.375L4.7 19.375l-2.75-4.75l2.575-1.95Q4.5 12.5 4.5 12.338v-.675q0-.163.025-.338L1.95 9.375l2.75-4.75l2.975 1.25q.275-.2.575-.375t.6-.3l.4-3.2h5.5l.4 3.2q.325.125.613.3t.562.375l2.975-1.25l2.75 4.75l-2.575 1.95q.025.175.025.338v.674q0 .163-.05.338l2.575 1.95l-2.75 4.75l-2.95-1.25q-.275.2-.575.375t-.6.3l-.4 3.2zm2.8-6.5q1.45 0 2.475-1.025T15.55 12t-1.025-2.475T12.05 8.5q-1.475 0-2.488 1.025T8.55 12t1.013 2.475T12.05 15.5"/>
+    </g>
+    <g id="text-badge" transform="translate(50, 0) scale(0.5, 0.5)">
+        <circle id="text-badge-circle" cx="50" cy="50" r="25" stroke-width="2"/>
+        <text id="text-badge-text" x="50" y="55" font-family="Noto Sans" font-size="40"
+              text-anchor="middle" alignment-baseline="middle">
+            TEXT_PLACEHOLDER
+        </text>
+    </g>
+</svg>

plugin-reaper-realearn/resources/artwork/toolbar_icons/README.md

@@ -0,0 +1,3 @@
+# Attention
+
+The files in this directory are generated!