added uploader-info.md

doc/uploader-info.md

+# exciting-parser
+
+## Main file
+
+The main file is INFO.OUT. The parsing starts from this one and it fails if it is not present.
+
+## Other files coming from a ground-state calculation
+
+ The following files must be in the same folder as INFO.OUT:
+
+ * dos.xml: density of states.
+ * bandstructure.xml: band structure.
+ * FERMISURF.bxsf: Fermi surface.
+ * EIGVAL.OUT: eigenvalues.
+ * input.xml: 
+
+## Other files from GW calculation
+
+ GW output files must be in the same folder as the ground-state calculation.
+
+ The GW output files that are parsed are:
+
+ * GW\_INFO.OUT or GWINFO.OUT (it depends on the code version): it is the main GW output.
+ * EVALQP.DAT or EVALQP.TXT (it depends on the code version): contains the eigenvalues.
+ * TDOS\-QP.OUT: density of states.
+ * bandstructure\-qp.dat or BAND\-QP.OUT (it depends on the code version): band structure
+ * BANDLINES.OUT: start and end point of the segments in the band structure plot.
+ * SELFC.DAT: self energy
+ * input.xml or input\-gw.xml or input\_gw.xml: most of the parameters that characterize the GW calculation are retrieved from this file.