!Implementation for 1D solver for charged particles. Added a 1D case for

testing. Still, no formal test has been performed so issues may appear.

runs/1D_Cathode/input.json

@@ -0,0 +1,45 @@
+
+{
+  "output": {
+    "path": "./runs/1D_Cathode/",
+    "trigger": 100,
+    "cpuTime": false,
+    "numColl": false,
+    "EMField": true
+  },
+  "reference": {
+    "density": 1.0e16,
+    "mass": 9.109e-31,
+    "temperature": 2500.0
+  },
+  "geometry": {
+    "type":     "1DCart",
+    "meshType": "gmsh",
+      "meshFile": "mesh.msh"
+  },
+  "species": [
+    {"name": "Electron", "type": "charged", "mass": 9.109e-31, "charge":-1.0, "weight": 1.0e1}
+  ],
+  "boundary": [ 
+    {"name": "Cathode",  "type": "absorption", "physicalSurface": 1},
+    {"name": "Infinite", "type": "absorption", "physicalSurface": 2}
+  ],
+  "boundaryEM": [
+    {"name": "Cathode",  "type": "dirichlet", "potential":    0.0, "physicalSurface": 1},
+    {"name": "Infinite", "type": "dirichlet", "potential":  600.0, "physicalSurface": 2}
+  ],
+  "inject": [
+    {"name": "Cathode Electron",    "species": "Electron", "flow":  9.0e-5, "units": "A", "v": 27500.0, "T": [2500.0, 2500.0, 2500.0], "n": [ 1, 0, 0], "physicalSurface": 1}
+  ],
+  "case": {
+    "tau":  [1.0e-11],
+    "time": 1.0e-6,
+    "pusher": ["1DCartCharged"],
+    "EMSolver": "Electrostatic"
+  },
+  "parallel": {
+    "OpenMP":{
+      "nThreads": 1
+    }
+  }
+}