Add the remaining census stations: Pec Deck, Rear Delt Fly, cable staples

Pec Deck and Rear Delt Fly author the face-on and from-behind cameras;
Triceps Pushdown and Face Pull are the cable station's two entries per
the coverage model (cable curl/crossover are considered exclusions).

Claude-Session: https://claude.ai/code/session_01HJDQQDA9QdP8zByg43H5v3

Exercise Library/Face Pull/frames/frame-1.svg

@@ -0,0 +1,21 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 180" fill="none">
+  <title>Face Pull</title>
+  <path d="M 141.8 157.5 L 209.0 157.5 L 209.0 150.2 L 141.8 150.2 Z" fill="none" stroke="#b9bec9" stroke-width="2.1" stroke-linejoin="round"/>
+  <circle cx="217.4" cy="24.6" r="2.8" fill="#6b7180"/>
+  <path d="M 217.4 24.6 L 199.2 30.5" stroke="#c5cad4" stroke-width="2.0999999999999996" stroke-linecap="round" stroke-linejoin="round"/>
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+  <path id="leg_r" d="M 153.0 92.7 L 160.4 123.5 L 150.2 149.2 L 157.4 151.9" stroke="#3a3f4b" stroke-width="4.2" stroke-linecap="round" stroke-linejoin="round"/>
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+  <path id="arm_r" d="M 159.2 34.9 L 179.3 40.9 L 197.8 31.1" stroke="#0d9488" stroke-width="4.2" stroke-linecap="round" stroke-linejoin="round"/>
+  <circle id="head" cx="161.9" cy="20.0" r="7.0" fill="white" stroke="#3a3f4b" stroke-width="4.2"/>
+  <line id="nose" x1="168.9" y1="20.6" x2="173.7" y2="21.0" stroke="#3a3f4b" stroke-width="2.8" stroke-linecap="round"/>
+  <g font-family="-apple-system, Helvetica, sans-serif" font-size="11" fill="#6b7180">
+    <line x1="224" y1="16" x2="238" y2="16" stroke="#3a3f4b" stroke-width="4" stroke-linecap="round"/>
+    <text x="243" y="20">near</text>
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+    <text x="292" y="20">far</text>
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