add note documentation

docs/code/note.js

@@ -0,0 +1,7 @@
+// add a note to a paricular place
+let line = SymPath({fy: x => 1-x*x, xlim: [-1, 1]});
+let note = Note('1 - x^2', {pos: [0, 1.1], rad: 0.2, latex: true});
+let plot = Plot([line, note], {
+  aspect: phi, ylim: [0, 1.5], yticks: 4, grid: true, grid_opacity: 0.1
+});
+return Frame(plot, {margin: 0.15});

docs/meta.json

@@ -23,7 +23,8 @@
         "Axis",
         "Graph",
         "Plot",
-        "BarPlot"
+        "BarPlot",
+        "Note"
     ],
     "networks": [
         "Node",

docs/text/note.md

@@ -0,0 +1,12 @@
+# Note
+
+<span class="inherit">[Place](#Place) > [Container](#Container) > [Element](#Element)</span>
+
+Place a text note at a particular location with a given size. Simple wrapper around [Place](#Place). Additionally supports LaTeX rendering.
+
+Positional arguments:
+- `text` — text to display
+
+Keyword arguments (plus any [Place](#Place) arguments):
+- `pos`/`rad` = `[0.5, 0.5]` — a position and radius specifying rectangle placement
+- `latex` — whether to run through LaTeX renderer