Added Mistral OCR client (#326)

- Added Mistral OCR client
- Template updates for pdf-ocr
- Template updates for pdf-ocr-mistral

templates/components/ocr.jsonnet

@@ -0,0 +1,38 @@
+local images = import "values/images.jsonnet";
+local url = import "values/url.jsonnet";
+
+{
+
+    "pdf-decoder" +: {
+    
+        create:: function(engine)
+
+            local container =
+                engine.container("pdf-ocr")
+                    .with_image(images.trustgraph_ocr)
+                    .with_command([
+                        "pdf-ocr",
+                        "-p",
+                        url.pulsar,
+                    ])
+                    .with_limits("1.0", "512M")
+                    .with_reservations("0.1", "512M");
+
+            local containerSet = engine.containers(
+                "pdf-ocr", [ container ]
+            );
+
+            local service =
+                engine.internalService(containerSet)
+                .with_port(8080, 8080, "metrics");
+
+            engine.resources([
+                envSecrets,
+                containerSet,
+                service,
+            ])
+
+    },
+
+} + prompts
+