Adding some dev docs.

docs/grid-fill.md

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+T is max height in row
+S(T) is all widgets with height T
+R(T) is all widgets with height < T
+X is len(R) > 0 ? 1 : 0
+C is len(S) + X
+Make row
+Make C columns
+Place S
+Recurse with R; place result
+
+
+ 1         2          3       4          5
+cpu/2...............  mem/1.  6:procs/2..........
+3:temp/1.  2:disk/2.........  |..................
+|........  |................  |..................
+|........  power/2..........  |..................
+net/2...............  batt..  |..................
+
+ 1         2          3       4          5
+cpu/2...............  6:procs/2........  mem/1...
+2:disk/2............  |................  3:temp/1   
+|...................  |................  |.......
+power/2.............  |................  |.......
+net/2...............  |................  batt
+
+ 1         2          3       4          5
+1x2.................  3x2..............  1x1.....    221    221
+2x2.................  |||||||||||||||||  3x1.....    21     2x1
+||||||||||||||||||||  |||||||||||||||||  ||||||||           
+1x1......  1x1......  1x2..............  1x1.....    1121
+1x2.................  1x2..............  ||||||||    22     22x
+1x1......  1x4...................................    14     
+
+initial columns = initial row
+fill
+	pattern for row
+	does pattern fit columns?
+		yes: place widgets
+		no: new row w/ new columns; fill
+
+does fit
+	cw < patt_c_w

docs/releasing.md

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+Current steps for a release:
+
+### gotop
+1. Update Version in main.go 
+2. Update CHANGELOG.md
+3. Tag
+4. Push everything
+5. ./make.sh
+6. Create github release
+
+### Homebrew
+1. Change homebrew-gotop
+```
+curl --output - -L https://github.com/xxxserxxx/gotop/releases/download/v3.3.2/gotop_3.3.2_linux_amd64.tgz | sha256sum
+curl --output - -L https://github.com/xxxserxxx/gotop/releases/download/v3.3.2/gotop_3.3.2_darwin_amd64.tgz | sha256sum
+```
+
+### AUR
+1.  Update aur/PKGBUILD
+2.  namcap PKGBUILD
+3.  makepkg
+4.  makepkg -g
+5.  makepkg --printsrcinfo \> .SRCINFO
+6.  Commit everything
+7.  push
+```
+curl -L https://github.com/xxxserxxx/gotop/archive/v3.3.2.tar.gz | sha256sum
+```
+
+### AUR-BIN
+1.  Update aur-bin/PKGBUILD
+2.  namcap PKGBUILD
+3.  makepkg
+4.  makepkg -g
+5.  makepkg --printsrcinfo \> .SRCINFO
+6.  Commit everything
+7.  push aur-bin