rfc46: command line jobspec resources

Problem: we cannot define arbitrary jobspec resources lists easily on
the command line

Define a compact string representation that can be mapped to a full
jobspec resources request

Author: sam-maloney

README.md

@@ -55,6 +55,7 @@ Table of Contents
 - [43/Job List Service](spec_43.rst)
 - [44/Resource Events](spec_44.rst)
 - [45/Resource Range String Representation](spec_45.rst)
+- [46/Command Line Job](spec_46.rst)
 
 Build Instructions
 ------------------

index.rst

@@ -294,6 +294,12 @@ Changes to resource availability are recorded in an RFC 18 eventlog.
 This specification describes a compact form for expressing an RFC 14
 resource range defined by a min/max/operand/operator combination.
 
+:doc:`spec_46`
+~~~~~~~~~~~~~~
+
+This specification describes a compact form for expressing an RFC 14 jobspec
+resources list that can be provided to several Flux commands by a user.
+
 .. Each file must appear in a toctree
 .. toctree::
    :hidden:
@@ -341,3 +347,4 @@ resource range defined by a min/max/operand/operator combination.
    spec_43
    spec_44
    spec_45
+   spec_46