Add SHA-1 checksums of release binaries (fix #726)

docs/content/2.download/default.yml

@@ -81,6 +81,12 @@ body:
          or
          [32-bit](https://github.com/stedolan/jq/releases/download/jq-1.3/jq-win32.exe).
 
+      ### Checksums
+
+      See
+      [sha1sum.txt](https://raw.githubusercontent.com/stedolan/jq/master/sha1sum.txt)
+      for SHA-1 checksums of the binaries linked above.
+
       ### From source on Linux, OS X, Cygwin, and other POSIX-like operating systems
 
        * [Source tarball for jq 1.4](https://github.com/stedolan/jq/archive/jq-1.4.tar.gz)

sha1sum.txt

@@ -0,0 +1,32 @@
+# SHA-1 checksums of release and pre-release binaries
+# Download from https://github.com/stedolan/jq/releases
+
+# jq 1.5rc2
+4975875ed6e758ef5f14ddb72026d430ff6b7b65  jq-linux-x86
+ec498ea174ab4e696d02016e2ad47fbdec2b3aa3  jq-linux-x86_64
+b5ac856d9f900bd65a56862685851bf86b2f4a19  jq-osx-x86_64
+8155d59b1e078335fbff9087c41a5ee20f72194b  jq-win32.exe
+029bac3d1d95741dc95eee11b9b81a3c8ce12666  jq-win64.exe
+
+# jq 1.5rc1
+d207828ea824eb4619a3ec4e10eced5a756052b0  jq-linux-x86_64-static
+151d909b5414a9d6c005dd09e653cc274e8ecdf5  jq-win32.exe
+061d6db97bf71378440a3d740f86b93b3d995467  jq-win64.exe
+
+# jq 1.4
+a0244f3a65640ccddd3258282c7778bee824b8c2  jq-linux-x86
+e820e9e91c9cce6154f52949a3b2a451c4de8af4  jq-linux-x86_64
+eeb49f18b0e0a5f5f0df635bdc4bd9d078b743d3  jq-osx-x86
+e585d145d56e9f091ca338e72527b50c85290707  jq-osx-x86_64
+b68b3a0637c8d33d3759027cadc25d0e32a3bbb9  jq-solaris11-32
+5c2d9a3323ef140f9a86fe3736a8a209202cfdae  jq-solaris11-64
+92e488775c058136783a9c1d5886092ad9575e36  jq-win32.exe
+258adfc6b1844cc74a62d882d48b0a33a1d32d0d  jq-win64.exe
+
+# jq 1.3
+1504c23c7e93f99e3cef0b6669466932e5d28a38  jq-linux-x86
+cb79e10d1a2898dca0c5741633e8a6f0f7f87312  jq-linux-x86_64
+5d3949bf12bd7d8ed45b83ca842a657ea9432601  jq-osx-x86
+4c599576eecdc44daeed4c87f995e3f386110d28  jq-osx-x86_64
+e69bf954efe4f8330f5454796aa7aaee2e0f48d8  jq-win32.exe
+1c720cfbc23fb2f67467c092321e6aac568f7602  jq-win64.exe